
53 Chapter 5
5.3 CMOS Clear for External RTC (JP4)
This jumper is used to erase CMOS data and reset system BIOS informa-
tion.
The procedure for clearing CMOS is:
1. Turn off system.
2. Short pin 2 and pin 3.
3. Return jumper to pins 1 and 2.
4. Turn on the system. The BIOS is now reset to its default setting.
Table 5.3: CMOS clear (JP4)
*Normal operation Clear CMOS
* default setting
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